GREEN BAY PACKERS Throwback 2-Bar Mini Helmet hand signed by former PACKERS great BILL "RED" MACK. The signature is Mint in black sharpie and contains the inscription "SB I CHAMPS" . MACK was a member of the PACKERS Super Bowl I Championship Team. This Mini Helmet was signed at a public signing in our store and would make a great addition to any Packers collection! This item is guaranteed to be 100% authentic and will include a COA with our Tamper proof Matching Serial Number Holograms.